Kristi has also done commercials for Durasoft contact lenses and Mervyn's California dept. stores.
Scott Hamilton did a commercial for Target in the 90's and one for some financial company back in 1988.
Brian Boitano did a commercial for Jack In the Box as well as ads for Allstate, Chrysler and Tufenkian rugs.
Katarina Witt has done several, including Diet Coke (with Paul Martini in the cast)
Jason Dungjen played a skating coach in a commercial for a product I can't remember.
MY TVC 1 5
In trying to find the answer to this question I did find this interesting device.
Originally Posted by Kwanford Wife
1867 Scientific American.